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Finding the Fourth Proportional to 17,775.53, 26,663.21 and 4,627.88

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Solution

The fourth proportional to 17,775.53, 26,663.21 and 4,627.88 is: 6,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,775.53 : 26,663.21 = 4,627.88 : x
  2. Step 2: Convert to fraction form
    17,775.53/26,663.21 = 4,627.88/x
  3. Step 3: Cross multiply
    17,775.53x = 26,663.21 × 4,627.88
  4. Step 4: Simplify right side
    17,775.53x = 123,394,113.16
  5. Step 5: Solve for x
    x = 123,394,113.16/17,775.53
  6. Step 6: Final answer
    x = 6,941.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.